NO TOOL REQUIRED: Hand Tighten Against Rubber O-Ring Means No Tools Ever Needed;UNIVERSAL FIT: Fits All Standard, FCS, Futures Surfboard Fin Boxes For Longboard, SUP, Inflatable SUP, Single Fin;SUPER VALUE: Packs Mean You'll Have An Excuse To Buy More Boards;RUST PROOF: 316 Stainless Steel Will Not Rust In Fresh or Salt water.;5% TO CHARITY: Every month we send 1% of our sales to a charity. This month it is El Caminowhich is improving the health, eternal well being and self-reliance of people living in isolated regions.

• DORSAL - Stainless Surf Thumb Fin Screw and Plate Surfboard Longboard SUP 1 Pack
• Universal

DORSAL - Stainless Surf Thumb Fin Screw and Plate Surfboard Longboard SUP 1 PackDORSAL